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Table 4 Association of γ-T with lung spirometry (within quartiles of α-tocopherol) at year 0 of CARDIA

From: The vitamin E isoforms α-tocopherol and γ-tocopherol have opposite associations with spirometric parameters: the CARDIA study

Quartiles of α-T N Difference in FEV1per 10 μM γ-T P value Difference in FVC per 10 μM γ-T P value Difference in FEV1/FVC (%) per 10 μM γ-T P value
(μM) β β β
A BLACKS
5.73-17.21 596 -207.3 0.05* -174.8 0.16 -1.0 0.55
17.22-20.11 522 8.2 0.94 -119.7 0.32 2.4 0.10
20.12-23.80 407 -103.4 0.38 -158.6 0.25 0.8 0.58
23.81-84.80 271 -103.9 0.06 -81.3 0.22 -0.8 0.29
B WHITES
5.73-17.21 317 -282.8 0.10 # -265.7 0.17 -1.2 0.60
17.22-20.10 389 -195.0 0.19 -271.3 0.14 0.7 0.71
20.11-23.80 500 -80.7 0.44 -42.3 0.73 -1.2 0.42
23.81-84.80 604 -80.1 0.25 -164.1 0.05* 0.9 0.34
C ALL PARTICIPANTS
5.73-17.21 913 -208.3 0.02* -171.3 0.11 # -1.1 0.42
17.22-20.10 911 -58.7 0.50 -175.1 0.09 # 2.0 0.09 #
20.11-23.80 907 -82.4 0.29 -82.4 0.37 -0.3 0.77
23.81-84.80 875 -95.1 0.02* -107.0 0.03* -0.2 0.73
  1. Year 0 of CARDIA: Adjustments: center, age, age2, height, height2, sex, BMI, smoking status.
  2. *and boldface, significant; #and boldface, trend.